© ir. Willem Langelaan OAA. All rights reserved
2022 february 12

© ir. Willem Langelaan OAA. All rights reserved
2022 february 12
HIGH PERFORMANCE SAILPLANES
planeurs de grande finesse
ClearNav Club & Cross Country vario 
STATE-OF-THE-ART VARIOMETER WITH MULTIPLE SENSORS AND IGC LOGGER 
inside display module
Advanced digital filtering.
Micro-stepper motor.
High contrast, high resolution monochrome LCD
 
inside air data computer
Rapid-update (5 Hz) GPS engine
Four high performance pressure transducers,
•  Pitot
•  Static
•  Total Energy
•  Cockpit Static for the IGC Flight Recorder
Three-axis accelerometer
Three-axis rate sensor (gyro)
Three axis magnetometer.
Connectivity,
•  2 CAN bus jacks
•  Serial jack
•  USB jack, can supply 950 mA
•  Ten-position connector provides,
    •  power
    •  ground
    •  inputs for,
        •  gear alarm
        •  spoiler alarm
        •  temperature probe
        •  cruise/climb switching
outside
DISPLAY MODULE57 mm. 
AIR DATA MODULE lxwxh 108x20x62 mm 
Mount directly to the display module or mount remotely. 
Fast smooth mechanical pointer indicates glider vertical motion. 
High resolution digital display. 
Smart 20 second digital rate of climb averager 
Full climb digital averager.
Audio. 
Output user-configurable to accommodate any sailplane and any pilot preference. 
 
CROSS COUNTRY 
CAI dataport 
Fully compatible with the ClearNav display. 
Integrate with other moving map/glideslope devices. 
 
features
CLUB and CROSS COUNTRY models.
State-of-the-art total energy variometry for climb and cruise. 
Rapid, but well damped response. 
Vario functions, 
•  Total Energy
•  Netto
•  Relative Netto
Speed-to-fly in push/pull and numerical format 
and audio tone. 
Most set values persist until set again. 
GET HOME screen with navigation and glideslope information to the point of takeoff. 
Wind speed & direction.
A simple user interface and PC editor make it easy to use and easy to configure.
 
CROSS COUNTRY 
Secure IGC flight recorder. 
Task management. 
CAI Dataport for third-party devices to use GPS, airspeed, and altitude data, and to send task declarations to the Flight Recorder. 
When connected to a ClearNav display, MC, bugs, and ballast values are synchronized and tasks may be copied to the vario for an independent navigation backup.
 
pilots confirm the uncanny ability to respond to lift without the frequent false alarms which plague other fast varios.